⏳♾️❓

#indefinite #unknown duration #unspecified time

🗓️➡️❓

#future date #unspecified time #unknown day #one day #eventually #someday

🕰️↔️❓

#alternate time #different point in time #non-present #temporal question #what if scenario #unspecified time

️⃣⏳

#wildcard time #any moment #asterisk time #whenever #unspecified time